Publishing July 1, 2026

What the Cursor Learns

A Human Discipline for the Age of Reasoning Machines

Matthew E. Luallen · Sph3r3 LLC

The machine that reasons is here. It can write, diagnose, plan, and act — faster than any human can check, at a scale no human team can match. That capability is not the problem. The problem is what happens when the capability outpaces the discipline.

What the Cursor Learns is a practitioner’s argument for a human discipline equal to the machine’s speed. Across twenty-six chapters — from the flyball governor of 1788 to the agentic systems deploying across the economy today — the book builds one instrument: a separate pathway, kept outside and beneath the reasoning, that holds the human in the loop on purpose rather than by accident.

It is the second book in a trilogy that began with What the Cursor Holds (2025) and will close with What the Cursor Keeps.

The compendium

Executive Compendium — a board-level summary of what is being proposed — for CEO, board, executive leadership — under 10 minutes →

This site is the book’s compendium. As the book ships and the practitioner review board convenes, the compendium will publish:

Working notes and follow-on writings
Public revisions made in response to reader feedback — published only when a change is driven by an external comment, not a silent edit log
The source map — one-click access to every external citation in the book
The cadence preview — the discipline behind each chapter, made auditable
The post-meeting record of the practitioner review board
The user’s cursor — a private, local-first space for the reader’s own answers to the book’s prompts

The first wave of material will appear in the days following publication. The full companion is reader-controlled, privacy-first, and opt-in throughout.

About the author

Matthew Luallen builds AI-powered systems — and the governance structures that make building them something he can defend. He has spent more than two decades protecting critical infrastructure: co-founder of three companies (Dragos Security, Encari, CYBATI), SANS Institute faculty since 2001, CISSP and CCIE certifications, M.S. Computer Science and B.S. Industrial Engineering from the University of Illinois, operational-technology safety research at Argonne National Laboratory. He is contracted as Lead Research Scientist for Education Translation at the University of Illinois Information Trust Institute, and is a co-chair of the CWE-CAPEC ICS/OT Special Interest Group at MITRE. He is Founder and Principal Advisor at Sph3r3, LLC.

Contact

For pre-publication factual-correction notices, the practitioner review board, errata, and follow-on questions:

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